Add Socket.IO server

backend/package.json

@@ -0,0 +1,32 @@
+{
+  "name": "score-board-backend",
+  "version": "1.0.0",
+  "description": "",
+  "scripts": {
+    "build": "tsc",
+    "start": "node ./build/index.js",
+    "test": "nodemon --watch ./src/ --exec ts-node ./src/index.ts"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "colors": "^1.4.0",
+    "cors": "^2.8.5",
+    "dotenv": "^10.0.0",
+    "express": "^4.17.1",
+    "socket.io": "^4.5.3",
+    "uuid": "^8.3.2"
+  },
+  "devDependencies": {
+    "@types/colors": "^1.2.1",
+    "@types/cors": "^2.8.12",
+    "@types/dotenv": "^8.2.0",
+    "@types/express": "^4.17.13",
+    "@types/node": "^17.0.0",
+    "@types/uuid": "^8.3.3",
+    "nodemon": "^2.0.15",
+    "ts-node": "^10.4.0",
+    "typescript": "^4.5.2"
+  }
+}